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Date: Mon, 04 Aug 2014 16:53:22 +0200
From: Michal Marek <mmarek@suse.cz>
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Subject: Re: [PATCH 1/1] kbuild: use $(srctree) to locate config headers from
 external modules
References: <1406922443-22770-1-git-send-email-djpohly+linux@gmail.com> <53DF944C.2090207@suse.cz> <20140804144320.GA4379@chiri>
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To: "Devin J. Pohly" <djpohly@gmail.com>
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org

On 2014-08-04 16:43, Devin J. Pohly wrote:
> On Mon, Aug 04, 2014 at 04:10:20PM +0200, Michal Marek wrote:
>> include/generated is located in $(KBUILD_OUTPUT), which is different
>> from $(srctree) when using O=. Can you post a sequence of commands that
>> leads to the error you are seeing?
>>
>> Thanks,
>> Michal
> 
> Well, I was attempting to do something like this:
> 
> $ make -C $KDIR M=$PWD modules
> $ make -C $KDIR M=$PWD O=$pkgdir modules_install
> 
> ... but I your statement just made the problem really obvious: I don't
> need to be using O= at all in this case.  Duh.

Right, the directory you use in make -C ... M=$PWD when building an out
of tree module is the directory you used in make O=... when building the
kernel.

Michal